Cicada Mania

Dedicated to cicadas, the most amazing insects in the world.

Genera of cicadas.

December 17, 2014

Behold a molting Neotibicen

Filed under: Cryptotympanini | Neotibicen | Tibicen — Tags: — Dan @ 5:48 am

Walter Abington sent us this series of photographs of a molting Neotibicen cicada. I believe the cicada is a Tibicen pruinosus based on this guide to identifying teneral Neotibicen.

November 20, 2014

Magicicada cassini singing on hand

Filed under: Brood XIV | Magicicada | Roy Troutman | Sounds | Video — Tags: — Dan @ 8:48 am

From Roy Troutman: “I shot a video back in 1991 of a 17 year Magicicada cassini singing right on my hand.”

Magicicada cassini singing on hand from Roy Troutman.

The excavation skills of cicadas

Filed under: Anatomy | Magicicada | Roy Troutman — Dan @ 8:01 am

Cicadas spend most of their lives, as nymphs, underground. The large forelegs of cicada nymphs are adapted to digging through soil.

cicada foreleg
Image from The Periodical Cicada: An Account of Cicada Septendecim, Its Natural Enemies and the Means of Preventing Its Injury by C.L. Marlatt. 1898.

These videos demonstrate Magicicada nymphs digging through soil.

Magicicada nymph excavating tunnel by Roy

This magicicada nymph is excavating a make shift tunnel sandwiched between two pieces of plexiglass.:

Magicicada nymph emerging from burrow by Roy

Magicicada nymph emerging from burrow from Roy Troutman on Vimeo.

White eyed magicicada by Roy Troutman

Filed under: Eye Color | Magicicada | Periodical | Roy Troutman | Video — Dan @ 7:07 am

Here is a video of a rare white eyed magicicada. This is from a gene mutation that strepps the color from the cicadas eyes & also wings to some extent.

White eyed magicicada from Roy Troutman on Vimeo.

Watch a Tibicen nymph emerge from the ground

Filed under: Roy Troutman | Tibicen | Video — Dan @ 5:38 am

This video by Roy Troutman shows a Tibicen cicada nymph emerge from the ground.

Annual cicada nymph emerging from burrow. from Roy Troutman.

A Tibicen cicada breathing

Filed under: Anatomy | Roy Troutman | Tibicen | Video — Dan @ 5:31 am

Cicadas breathe through apertures along the side of their body called spiracles. This video of a Tibicen by Roy Troutman shows the opening and closing of a spiracle.

Adult Cicada breathing from Roy Troutman on Vimeo.

November 19, 2014

Which fungus attacks Magicicadas? Massospora cicadina

Filed under: FAQs | Magicicada | Massospora — Dan @ 8:32 pm

The fungus Massospora cicadina preys on Magicicadas cicadas. This is particularly interesting because the fungus is able to prey upon them in spite of their long 17 year life cycle (apparently fungi are not phased by prime numbers).

When the fungus destroys the abdomen of male cicadas, they will behave like female cicadas and flick their wings in response to the songs of male cicadas, and attempt to mate with other males.

A photo by Roy Troutman from Brood XIV (2008):

Magicicada with Massospora. Roy Troutman. Brood XIV.

Two photos by Dan Mozgai from Brood II (2013):

Male Magicicada septendecim infected with Massospora cicadina fungus

Magicicada septendecim with Massosporan fungus found at the Edison Memorial Tower Park in Edison NJ

Magicicada fungus (massospora cicadina)

magicicada fungus (massospora cicadina) from Roy Troutman on Vimeo.

New from 2017: the Massospora cicadina viewed under a microscope.

Magicicada cassini calls, chorusing & responses to finger snaps

Filed under: Brood II | Magicicada | Periodical | Sounds | Video — Tags: — Dan @ 8:00 am

During the Brood II emergence in 2013, Elias Bonaros, Roy Troutman and I spent some time experimenting with coercing male Magicicada to call in response to finger snaps, which mimic the snap of a female cicada’s wings. This trick works fairly well with Magicicada, and can quickly be mastered once you work out the timing. Fingers, wall switches, and the zoom button on my Sony video camera do a good job at mimicking the snap of a females wings.

Magicicada cassini responding to fingersnaps

Magicicada cassini responding to fingersnaps from Cicada Mania on Vimeo.

I also recorded their calls in terms of decibels to see just how loud they could get. They can get very loud, but not as loud as a rock concert (see this db chart).

Magicicada cassini calling at 109db in Colonia NJ

Magicicada cassini calling at 109db in Colonia NJ from Cicada Mania on Vimeo.

Magicicada cassini chorusing center peaking at 85db

Magicicada cassini chorusing center peaking at 85db from Cicada Mania on Vimeo.

Video of Magicicada septendecula from Brood II

Filed under: Brood II | Magicicada | Ovipositing | Periodical | Video — Tags: — Dan @ 7:45 am

Here are two videos of Magicicada septendecula from Brood II.

Female Magicicada septendecula

Magicicada septendecula from Cicada Mania on Vimeo.

A female Magicicada septendecula ovipositing

A female Magicicada septendecula ovipositing from Cicada Mania on Vimeo.

August 24, 2014

It is possible to identify Tibicen just after they have molted

Paul Krombholz has come through with an awesome guide to identifying Tibicens just after they have molted. Click the image below for an even larger version. Note that the genus of these cicadas has changed to either Megatibicen or Neotibicen — notes below.

Paul Krombholz's image of recently molted and adult cicadas compared

Notes on the species from Paul:

N. pruinosus [formerly T. pruinosa]—Newly molted adult has darker mesonotum (top of mesothorax) than the very common T. chloromera. Abdomen is a golden orange color. Older adult has dark olive on lateral sides of mesonotum, lighter green below the “arches”.

M. pronotalis (formerly walkeri, marginalis)—Quite large. The reddish brown color can be seen on the mesonotum of newly molted adult. Older adult has solid green pronotum (top of prothorax) and red-brown markings on sides of mesonotum. Below the “arches” the mesonotum color can range from carmel to green. Head is black between the eyes.

N. tibicen [T. chloromerus, T. chloromera]—has large, swollen mesonotum, quite pale in a newly molted adult and almost entirely black in an older adult. Individuals from east coast can have large russet patches on sides of mesonotum. The white, lateral :”hip patches” on the anteriormost abdominal segment are always present, but the midline white area seen in my picture is sometimes absent.

N. davisi—Small. This is a variable species, but all have an oversized head that is strongly curved, giving it a ‘hammerhead’ appearance. Newly molted individuals are usually brown with blueish wing veins that will become brown, but some have more green in wing veins. Some may have pale mesonotums that will become mostly black. Older adults vary from brownish to olive to green markings on pronotum and mesonotum.

M. figuratus [formerly T. figurata]—a largish entirely brown cicada. Newly molted adult has a pink-brown coloration with some blueish hints. Older adult has chestnut-brown markings and no green anywhere. The Head is not very wide in relation to the rest of the body. The small cell at the base of the forewing is black.

M. auletes—a large, wide-bodied cicada. The newly molted adult is very green, but the older adult loses most of the green, usually retaining an olive posterior flange of the pronotum. The dorsal abdomen of the adult has a lot of powdery white on the anterior and posterior segments with a darker band in between.

From my own photos, here’s a sequence of photos of a Neotibicen tibicen tibicen as its colors develop.
Teneral Neotibicen tibicen

Here’s a comparison of two teneral Neotibicen linnei. Note the variation in colors — one green, one pink — from the same grove of trees in New Jersey. Color can vary a lot!
Linnei

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